Linking Database Tables | Primary & Foreign Keys | Data Analytics for Beginners
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in this video, we are going to talk about linking database tables - the primary and foreign keys.
In this video, you’ll discover:
• What the Primary Keys are;
• What the Foreign Keys are;
• Best practices to select Primary and Foreign Keys;
• Common mistakes and ways to avoid them;
• Top 5 Benefits of Key Management
• SQL to Spreadsheets
• AI SQL Copilot
👨🏫 Whether you're a data professional, a marketer, or just curious about data, this video is your next step in mastering SQL!
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🔍 Timestamps:
00:00 Introduction
01:35 What is a Primary Key
03:20 Primary Key Principles
03:50 How to select a Primary Key
06:05 What is a Foreign Key
06:53 How to select Foreign Key
07:25 Benefits of Keys
08:05 Reporting in Sheets
10:42 Free SQL Copilot
13:15 Common Keys Mistakes